CN108579330A - One kind being directed to Wind Volume high concentration polluted air from paint booth governing system and method - Google Patents
One kind being directed to Wind Volume high concentration polluted air from paint booth governing system and method Download PDFInfo
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- CN108579330A CN108579330A CN201810696658.9A CN201810696658A CN108579330A CN 108579330 A CN108579330 A CN 108579330A CN 201810696658 A CN201810696658 A CN 201810696658A CN 108579330 A CN108579330 A CN 108579330A
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- 239000003973 paint Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003795 desorption Methods 0.000 claims abstract description 72
- 239000003463 adsorbent Substances 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 31
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 239000002912 waste gas Substances 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 30
- 239000004922 lacquer Substances 0.000 claims description 28
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 10
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 230000009897 systematic effect Effects 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 description 7
- 239000002808 molecular sieve Substances 0.000 description 7
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0258—Other waste gases from painting equipments or paint drying installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses one kind being directed to Wind Volume high concentration polluted air from paint booth governing system and method, including first order adsorbent equipment, second level adsorbent equipment and desorption apparatus, second level adsorbent equipment includes that multiple individual sieve adsorpting beds are arranged in parallel, sieve adsorpting bed rotation adsorption and desorption VOCs gases, it is ensured that governing system continuous work.
Description
Technical field
The present invention relates to a kind of polluted air from paint booth governing systems, especially a kind of for being directed to Wind Volume high-concentration waste gas
Governing system and method belong to polluted air from paint booth Treatment process field.
Background technology
The difficult point of the large-scale Painting Shop VOCs treatment of the industries such as ship is that the quality of VOCs gases in exhaust gas is dense
Spend that fluctuation range fluctuated is big, and the coating cloud particulate matter quantity in exhaust gas is big, grain size is small, the difficulty of filtering is larger.It is spraying
During operation, usually coating cloud diffuses in Painting Shop, and the peak value of VOCs gas concentrations may be up to 1000ppm or so；And it is spraying
The valley of drying the stage after the completion of operation, the VOCs gas concentrations in Painting Shop only has 30ppm.With the day of emission request
Benefit is harsh, and conventional level-one porous activated carbon adsorption system Acceptable life is very short, several days run time Waste gas outlets
Discharge will be exceeded.
Invention content
To solve the above-mentioned problems, the technical solution adopted by the present invention is such, and one kind is applied for Wind Volume high concentration
Waste gas pollution control and treatment system between entrucking, including first order adsorbent equipment, second level adsorbent equipment and desorption apparatus, the second level are inhaled
Adsorption device is made of the sieve adsorpting bed of multiple parallel connections；The input terminal of the first order adsorbent equipment is sucked with lacquer spraying waste gas
Manifold is connected, and the output end of first order adsorbent equipment is connected with the first input end of each sieve adsorpting bed, each molecular sieve
First output end of adsorbent bed is connected with induced draft fans；Each sieve adsorpting bed first input end and the first output end
On be respectively arranged with second level inlet valve and second level outlet valve；The output end of the desorption apparatus and each molecular sieve
The second input terminal of adsorbent bed is connected, and each sieve adsorpting bed second output terminal is connected with the input terminal of desorption apparatus, described
It is respectively arranged with desorption purging inlet valve on each the second input terminal of sieve adsorpting bed and second output terminal and desorption purges
Outlet valve.
First order adsorbent equipment is as pretreatment buffer, in order to improve its adsorption effect, inside first order adsorbent equipment
The lacquer spraying waste gas direction of motion is provided with porous activated carbon adsorbent layer, the first nonwoven filtration stratum reticulare and the second woven filter net
Layer.
Further include multiple be arranged in each area in workshop in order to which comprehensive each region to workshop carries out the collection of exhaust gas
The lacquer spraying waste gas suction manifold in domain, the lacquer spraying waste gas suction manifold are connected with lacquer spraying waste gas suction main.
In order to preferably carry out desorption manipulation to sieve adsorpting bed and faster decompose VOCs gas catalytic combustions, take off
Adsorption device includes that heat exchanger, catalytic combustion reactor and desorption wind turbine, the second output terminal of sieve adsorpting bed pass through outlet
Pipe is connected with heat exchanger refrigerant inlet, and heat exchanger refrigerant exit is connected with catalytic combustion reactor entrance, and catalysis burning is anti-
Device outlet is answered to be connected with heat exchanger heating agent entrance, the outlet of heat exchanger heating agent passes through hot wind inlet pipe and desorption fans entrance phase
Even, desorption fan outlet is connected by hot wind outlet pipe with the second input terminal of sieve adsorpting bed, is set in the hot wind outlet pipe
Overflow pipe is set, which is connected with purification exhaust pipe, overflow valve is provided on the overflow pipe, the desorption is urged
It further includes the new air benefit pipe for being incorporated to hot wind inlet pipe that makeup, which is set, and the new air is mended and is provided with compensating air valve door on pipe.
The gas after the pre- thermal desorption of heat exchanger in the desorption apparatus, the gas after desorption are transferred into catalysis burning again
Catalysis combustion decomposition is carried out in reactor；High-temperature gas after the completion of decomposition adds the fresh air entered from compensating air valve door
It is re-fed into sieve adsorpting bed after cooling to an OK range, the filler in sieve adsorpting bed is carried out at desorption
Reason；The system structure is ingenious, and catalysis reaction is fast, energy utilization rate is high.
In order to start desorption apparatus faster, the catalytic reactor electrified heating function can be used for the initialization of device
Operation.
In order to ensure that the sieve adsorpting bed after desorption is quickly cooled down, lower step absorption work, the desorption apparatus are carried out
Further include the cooling air inlet pipe being connected with the second input terminal of sieve adsorpting bed, is provided on the cooling air inlet pipe
Cooling air valve.
In order to avoid wind turbine frequent start-stop is desorbed, and ensure that desorption catalyzing reactor is in suitable temperature range, also wraps
The inner circulating tube being connected with desorption fan outlet is included, the inner circulating tube is incorporated to desorption gas outlet pipe, the desorption gas outlet pipe
On be provided with interior loop control valve.
The present invention also provides it is a kind of using above system handle improvement polluted air from paint booth method,
1) lacquer spraying waste gas is entered by lacquer spraying waste gas suction main in first order adsorbent equipment, in the middle part of absorption lacquer spraying waste gas
Divide VOCs gases；
2) moieties that second level adsorbent equipment is introduced into through the pretreated lacquer spraying waste gas of first order adsorbent equipment sieve
In adsorbent bed, it is further adsorbed and removed the VOCs of the rest part of lacquer spraying waste gas；Simultaneously with this, second level adsorbent equipment is in addition
Moieties sieve adsorbent bed under the action of the high-temperature gas that desorption apparatus inputs, and the VOCs of absorption is desorbed, after desorption
VOCs gases discharge after desorption apparatus decomposes；
Absorption by moieties adsorbent bed in the adsorbent equipment of the second level and other part sieve adsorpting bed and desorption
Rotation so that entire adsorption process is kept continuous in cycles.
Advantageous effect：
It differs greatly for workshop pollutant level peak-to-valley value, the present invention uses two-stage adsorption structure, is conciliate by adsorbing
The process of analysis converts momentary pulse to relatively stable concentration and carries out subsequent processing, improves the purification efficiency of complete equipment,
Ensuring can emission compliance in the case where each load paints operating mode；First order molecular sieve adsorbent equipment can be adjusted to adsorb into the second level and be filled
The VOCs concentration in exhaust gas is set, the range that concentration changes is made to reduce；Second level molecular sieve adsorbent equipment rotates for multiple module paralleling
Structure can control each module adsorption and desorption in turn by valve；When operation, moieties sieve adsorbent bed and are in absorption work
State, remaining sieve adsorpting bed is in desorption working condition, in cycles, to ensure that second level adsorbent equipment is always maintained at
It is up to standard to ensure that discharge continues with this for higher adsorption capacity；Substantially prolong the replacement week of filler in the adsorbent equipment of the second level
Phase improves the adsorption efficiency and reliability of governing system to which operating cost be greatly lowered.
The configuration of the present invention is simple, multiple functional, adsorption efficiency is high, reliability is high, and second level adsorbent equipment is rotary structure,
Part of module is in absorption working condition, remaining module is in desorption working condition, in cycles, to ensure that the second level is adsorbed
Device is always maintained at higher adsorption capacity, and it is up to standard to ensure that discharge continues with this.Second level adsorbent equipment is increased, the first order is inhaled
The replacement cycle of adsorption device adsorbent porous activated carbon can significantly extend, to which operating cost be greatly lowered.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the overall structure figure of the present invention；
Fig. 3 is the structural schematic diagram of working condition 1 of the present invention；
Fig. 4 is the structural schematic diagram of the working condition 2 of this hair；
Fig. 5 is the structural schematic diagram of working condition 3 of the present invention.
Specific implementation mode
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
As shown in Figure 1, a kind of being directed to Wind Volume high concentration polluted air from paint booth governing system, including first order adsorbent equipment
3, second level adsorbent equipment 9 and desorption apparatus 14, the second level adsorbent equipment 9 by multiple parallel connections sieve adsorpting bed 8
Composition；The lacquer spraying waste gas direction of motion is provided with porous activated carbon adsorbent layer 2, the first nonwoven inside first order adsorbent equipment
Filtering meshes 4 and the second nonwoven filtration stratum reticulare 5；Honeycomb zeolite is filled in sieve adsorpting bed 8.
The input terminal of the first order adsorbent equipment 3 is connected with lacquer spraying waste gas suction main 1, first order adsorbent equipment 3
Output end be connected with the first input end of each sieve adsorpting bed, the first output end and exhausting of each sieve adsorpting bed
Wind turbine 12 is connected；The second level is respectively arranged on 8 first input end of each sieve adsorpting bed and the first output end to enter
Mouth valve 6 and second level outlet valve 11；The output end of the desorption apparatus and the second input terminal of each sieve adsorpting bed
It is connected, each sieve adsorpting bed second output terminal is connected with the input terminal of desorption apparatus, each sieve adsorpting bed
Desorption purging inlet valve 7 and desorption purging outlet valve 10 are respectively arranged on second input terminal and second output terminal.
In order to which comprehensive each region to workshop carries out the collection of exhaust gas, the waste gas pollution control and treatment system further includes more
It is a that the lacquer spraying waste gas suction manifold (not marked in attached drawing) being connected with lacquer spraying waste gas suction main in workshop each region is set.
As described in Figure 2, the desorption apparatus include heat exchanger 17, catalytic combustion reactor 15 and desorption wind turbine 19,
The second output terminal of each sieve adsorpting bed 8 is connected by escape pipe with 17 refrigerant inlet of heat exchanger, and heat exchanger 17 is cold
Matchmaker outlet is connected with 15 entrance of catalytic combustion reactor, the outlet of catalytic combustion reactor 15 and 17 heating agent entrance phase of heat exchanger
Even, the outlet of 17 heating agent of heat exchanger is connected by hot wind inlet pipe with desorption 19 entrance of wind turbine, and the outlet of desorption wind turbine 19 passes through hot wind
Outlet pipe is connected with the second input terminal of each sieve adsorpting bed, and overflow pipe is arranged in the hot wind outlet pipe, the overflow pipe with
It purifies exhaust pipe to be connected, overflow valve 18 is provided on the overflow pipe, the desorption apparatus further includes being incorporated to hot wind
The new air of inlet pipe mends pipe, and the new air is mended and is provided with compensating air valve door 16 on pipe.
The gas after the pre- thermal desorption of heat exchanger in the desorption apparatus, the gas after desorption are transferred into catalysis burning again
Catalysis combustion decomposition is carried out in reactor；High-temperature gas after the completion of decomposition adds the fresh air entered from compensating air valve door
It is re-fed into sieve adsorpting bed after cooling to an OK range, the filler in sieve adsorpting bed is carried out at desorption
Reason；The system structure is ingenious, and catalysis reaction is fast, energy utilization rate is high.
In order to start desorption apparatus faster, the catalytic reactor electrified heating function can be used for the initialization of device
Operation.
In order to ensure that the sieve adsorpting bed after desorption is quickly cooled down, it is additionally provided with the second input terminal with sieve adsorpting bed
Connected cooling air inlet pipe is provided with cooling air valve 21 on the cooling air inlet pipe.
In order to avoid wind turbine frequent start-stop is desorbed, and ensure that desorption catalyzing reactor is in suitable temperature range, also wraps
The inner circulating tube being connected with desorption fan outlet is included, the inner circulating tube, which is incorporated to, is desorbed gas outlet pipe, on the inner circulating tube
It is provided with interior loop control valve 20.
Utilize the method for the improvement Wind Volume high concentration polluted air from paint booth of above system：
1) lacquer spraying waste gas is entered by lacquer spraying waste gas suction main 1 in first order adsorbent equipment 3, is adsorbed in lacquer spraying waste gas
Part VOCs gases；
2) moieties of second level adsorbent equipment 9 are introduced into through 3 pretreated lacquer spraying waste gas of first order adsorbent equipment
It sieves in adsorbent bed 8, is further adsorbed and removed the VOCs of the rest part of lacquer spraying waste gas；Simultaneously with this, second level adsorbent equipment 9
The VOCs of absorption is desorbed under the action of the high-temperature gas that desorption apparatus inputs for other part sieve adsorpting bed 8, after desorption
VOCs gases after desorption apparatus decomposes using discharge detection 13 after discharge；
By the absorption of moieties adsorbent bed 8 in the adsorbent equipment of the second level and other part sieve adsorpting bed 8 with it is de-
Attached rotation makes entire adsorption process keep continuous in cycles.
In order to preferably explain workflow, preferably six sets in parallel operation sieve adsorpting beds are illustrated below.
Working condition 1,
As shown in figure 3, when workshop VOCs levels are in peak value, first order adsorbent equipment pre-processes buffer will be most of
VOCs absorption, the VOCs of rest part is using second level adsorbent equipment molecular sieve adsorbent equipment Adsorption major part；This
When in order to which VOCs gases are absorbed in time, the second level of tri- sieve adsorpting beds 8 of d, e, f in second level adsorbent equipment 9 enters
Mouth valve 6 and second level outlet valve 11 are opened, and desorption purging inlet valve 7 is closed with purging outlet valve 10 is desorbed；a、b、c
The second level inlet valve 6 and second level outlet valve 11 of three sieve adsorpting beds 8 are closed, desorption purging 7 He of inlet valve
Desorption purging outlet valve 10 is opened；Tri- sieve adsorpting beds 8 of d, e, f carry out adsorption operations, tri- molecular sieves of a, b, c at this time
Adsorbent bed 8 carries out desorption manipulation
Working condition 2,
As shown in figure 4, when VOCs concentration is relatively low in workshop, first order adsorbent equipment pre-processes buffer will be most
VOCs is adsorbed, and a sieve adsorpting beds in the adsorbent equipment of the second level are in adsorbed state, and module and the desorption of other part fill
Connection is set, detachment status is in.VOCs gases are big by the adsorbent equipment Adsorption that second level adsorbent equipment molecular sieve is opened
Part, the module in detachment status carry out desorption manipulation, the VOCs which adsorbs are decomposed into innocuous substance, to
Ensure emission compliance.
Working condition 3,
As shown in figure 5, when a sieve adsorpting beds in the adsorbent equipment of the second level are in adsorption saturation state, rotation b
Number sieve adsorpting bed carries out adsorption operations.
Compared to traditional secondary absorption governing system, this system only needs to adjust the work shape of specific sieve adsorpting bed
State, you can the work requirements with continuous work are administered when meeting peak valley, adaptable, simple and reliable for structure, overall cost is low
Honest and clean, operating cost is low.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. one kind be directed to Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that including first order adsorbent equipment,
Second level adsorbent equipment and desorption apparatus, the second level adsorbent equipment are made of the sieve adsorpting bed of multiple parallel connections；
The input terminal of the first order adsorbent equipment is connected with lacquer spraying waste gas suction main, the output end of first order adsorbent equipment
It is connected with the first input end of each sieve adsorpting bed, the first output end and the induced draft fans phase of each sieve adsorpting bed
Even；Second level inlet valve and are respectively arranged on each sieve adsorpting bed first input end and the first output end
Secondary exit port valve；
The output end of the desorption apparatus is connected with the second input terminal of each sieve adsorpting bed, each sieve adsorpting bed
Two output ends are connected with the input terminal of desorption apparatus, the second input terminal and second output terminal of each sieve adsorpting bed
On be respectively arranged with desorption purging inlet valve and desorption purging outlet valve.
2. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
The lacquer spraying waste gas direction of motion is provided with porous activated carbon adsorbent layer, the first nonwoven inside the first order adsorbent equipment
Filtering meshes and the second nonwoven filtration stratum reticulare.
3. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
Honeycomb zeolite is filled in the sieve adsorpting bed.
4. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
Further include multiple lacquer spraying waste gas suction manifolds, which is connected with lacquer spraying waste gas suction main.
5. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
The desorption apparatus includes that heat exchanger, catalytic combustion reactor and desorption wind turbine, the second of each sieve adsorpting bed are defeated
Outlet is connected by escape pipe with heat exchanger refrigerant inlet, heat exchanger refrigerant exit and catalytic combustion reactor entrance phase
Connect, catalytic combustion reactor outlet is connected with heat exchanger heating agent entrance, and the outlet of heat exchanger heating agent is by hot wind inlet pipe and takes off
Attached fans entrance is connected, and desorption fan outlet is connected by hot wind outlet pipe with the second input terminal of each sieve adsorpting bed, institute
Overflow pipe is set in the hot wind outlet pipe stated, which is connected with purification exhaust pipe, is provided on the overflow pipe excessive
Valve is flowed, the desorption apparatus further includes the new air benefit pipe for being incorporated to hot wind inlet pipe, and the new air is mended and is provided with benefit on pipe
Fill air door.
6. according to claim 5 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
Further include the cooling air inlet pipe being connected with the second input terminal of sieve adsorpting bed, is provided on the cooling air inlet pipe
Cooling air valve.
7. according to claim 5 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
Further include the inner circulating tube being connected with desorption fan outlet, the inner circulating tube is incorporated to desorption gas outlet pipe, is set on inner circulating tube
It is equipped with interior loop control valve.
8. utilizing the method for the Systematic control polluted air from paint booth described in claim 1-7 any claims, which is characterized in that
1) lacquer spraying waste gas is entered by lacquer spraying waste gas suction main in first order adsorbent equipment, adsorbs part VOCs in lacquer spraying waste gas
Gas；
2) moieties for entering second level adsorbent equipment through the pretreated lacquer spraying waste gas of first order adsorbent equipment sieve adsorbent bed
It is interior, further it is adsorbed and removed the VOCs of the rest part of lacquer spraying waste gas；Simultaneously with this, the other part of second level adsorbent equipment point
Son sieve adsorbent bed the VOCs of absorption is desorbed, the VOCs gases after desorption under the action of the high-temperature gas that desorption apparatus inputs
It is discharged after desorption apparatus decomposes；
Pass through the wheel of the absorption and desorption of moieties adsorbent bed in the adsorbent equipment of the second level and other part sieve adsorpting bed
Turn, in cycles, entire adsorption process is made to keep continuous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696658.9A CN108579330A (en) | 2018-06-29 | 2018-06-29 | One kind being directed to Wind Volume high concentration polluted air from paint booth governing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696658.9A CN108579330A (en) | 2018-06-29 | 2018-06-29 | One kind being directed to Wind Volume high concentration polluted air from paint booth governing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108579330A true CN108579330A (en) | 2018-09-28 |
Family
ID=63634569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810696658.9A Withdrawn CN108579330A (en) | 2018-06-29 | 2018-06-29 | One kind being directed to Wind Volume high concentration polluted air from paint booth governing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108579330A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742159A (en) * | 2019-10-29 | 2021-05-04 | 中船海洋动力部件有限公司 | VOCs waste gas treatment system and treatment method for coating workshop |
| CN113719842A (en) * | 2021-08-27 | 2021-11-30 | 中船海洋动力部件有限公司 | VOCs processing system of high-efficient heat recovery |
| CN114225627A (en) * | 2021-12-08 | 2022-03-25 | 上海绿强新材料有限公司 | Combined molecular sieve adsorbent for concentrating and purifying VOCs (volatile organic compounds), method and device |
-
2018
- 2018-06-29 CN CN201810696658.9A patent/CN108579330A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742159A (en) * | 2019-10-29 | 2021-05-04 | 中船海洋动力部件有限公司 | VOCs waste gas treatment system and treatment method for coating workshop |
| CN113719842A (en) * | 2021-08-27 | 2021-11-30 | 中船海洋动力部件有限公司 | VOCs processing system of high-efficient heat recovery |
| CN113719842B (en) * | 2021-08-27 | 2023-05-12 | 中船海洋动力部件有限公司 | VOCs processing system of high-efficient heat recovery |
| CN114225627A (en) * | 2021-12-08 | 2022-03-25 | 上海绿强新材料有限公司 | Combined molecular sieve adsorbent for concentrating and purifying VOCs (volatile organic compounds), method and device |
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